ISUD Zero vs Qubric
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ISUD Zero
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Dodge readable bullet patterns, graze for Phase Pulse, and chase clean weekly scores against the Pattern Engine. Description: I.S.U.D. Zero is a portrait bullet-hell boss rush built around clean reads, a tiny fair hitbox, and fast retry mastery. Enter the simulation chamber, learn each boss pattern, graze close calls to charge Phase Pulse, and chase cleaner clears across The Instructor, Mirror Cadet, Twin Array, and The Cartographer. Every run is short, sharp, and score-driven. Bosses move, mutate, and escalate through multiple phases. The ship only takes damage at the red core, so the chaos stays readable even when the screen blooms with bullets. Features: - Precision drag controls for portrait play - Fair red-core hitbox with optional callout - Graze scoring and Phase Pulse screen clears - Four multi-phase bosses with distinct patterns and visual escalation - Five additional boss slots marked Coming Soon - Difficulty options, persistent best scores, and ranks - Game Center weekly and all-time high score leaderboards - Neon arcade presentation with original audio hooks
Qubric
Engage with a minimalist puzzle game designed to build intuition about quantum computing. Solve circuits by manipulating gates, comparing probabilities, and matching targets. Progress through a journey, tackle daily challenges, and earn rewards while enjoying a clean, ad-free experience.
- Quantum logic puzzles
- Daily challenge with streak tracking
- XP, levels, and badges
- Visual state comparison
- Cloud progress sync
- In-app privacy controls
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Qubric is a minimalist puzzle game for building quantum intuition. Solve bite-sized circuits by tapping gates, comparing state probabilities, and matching the target. Each puzzle teaches a small idea, from simple splits and flips to linked states, phase signs, and three-qubit proof routes. Play through the Journey, return for a daily challenge, earn XP and badges, and track your progress across your account. Qubric keeps the interface focused so the logic stays front and center: no ads, no tracking, no unnecessary permissions. Features: - 22 handcrafted quantum logic puzzles - Daily challenge with streak tracking - XP, levels, and badges - Clean visual comparison between current and target states - Account-based cloud progress - In-app privacy controls and account deletion Qubric is built for students, curious builders, and anyone who wants quantum computing to feel less abstract, one puzzle at a time.
Screenshots
Verdict
The clearest difference is price: Qubric at Free against ISUD Zero's $0.99. ISUD Zero's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Qubric is free to download; ISUD Zero costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ISUD Zero | Qubric |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 119 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Suwitcha Sugthana | VIKAS TOMAR |
In-app purchases
ISUD Zero
No in-app purchases
Qubric
No in-app purchases









